The Ancient One

Hexproof, reach, flash
Astral Projection - Power and toughness of
The Ancient One are equal to the power and toughness of target creature.
{p/w}{t}: Counter a target spell or ability.
{p/w}{t}: Prevent all damage that would be
dealt to any target.
{p/w}{t}: Exile target permanent unitl the
beginning of the next end step.